Fixed event generation in component to only fire when the value changes.

Author: Gallasko

src/Engine/2D/position.cpp

@@ -771,6 +771,19 @@ namespace pg
         return areNotAlmostEqual(oldX, x) or areNotAlmostEqual(oldY, y) or areNotAlmostEqual(oldZ, z) or areNotAlmostEqual(oldWidth, width) or areNotAlmostEqual(oldHeight, height);
     }
 
+    void PositionComponent::setVisibility(const bool& value)
+    {
+        if (visible != value)
+    {
+        visible = value;
+
+        if (ecsRef)
+        {
+            ecsRef->sendEvent(PositionComponentChangedEvent{entityId});
+        }
+    }
+    }
+
     void PositionComponentSystem::pushChildrenInChange(std::set<_unique_id>& set, _unique_id parentId)
     {
         for (const auto& child : parentalMap[parentId])

src/Engine/Components/PositionComponent.pgcomp

@@ -55,7 +55,7 @@ methods:
   - "bool isObservable() const { return observable; }"
   - "bool isRenderable() const { return visible and observable; }"
   - "bool updatefromAnchor(const UiAnchor& anchor);"
-  - "void setVisibility(const bool& visible) { this->visible = visible; }"
+  - "void setVisibility(const bool& value);"
 
 events:
   - PositionComponentChangedEvent

tools/component_generator.pg

@@ -636,9 +636,24 @@ class CppGenerator
                     }
                     else if (setterMode == "event")
                     {
-                        // Event setter: assign + send event
-                        code += "    " + fieldName + " = value;\n\n"
-                        code += "    if (ecsRef)\n    {\n"
+                        // Event setter: check if changed, then assign + send event
+                        // Use areNotAlmostEqual for floats/doubles
+                        var comparisonCheck = ""
+                        if (fieldType == "float" or fieldType == "double")
+                        {
+                            comparisonCheck = "areNotAlmostEqual(" + fieldName + ", value)"
+                        }
+                        else
+                        {
+                            comparisonCheck = fieldName + " != value"
+                        }
+
+                        code += "    if (" + comparisonCheck + ")\n"
+                        code += "    {\n"
+                        code += "        " + fieldName + " = value;\n\n"
+                        code += "        if (ecsRef)\n"
+                        code += "        {\n"
+
                         // Get the event name from schema or use default
                         var eventName = ""
 
@@ -651,7 +666,8 @@ class CppGenerator
                             eventName = schema.name + "Changed"
                         }
 
-                        code += "        ecsRef->sendEvent(" + eventName + "{entityId});\n"
+                        code += "            ecsRef->sendEvent(" + eventName + "{entityId});\n"
+                        code += "        }\n"
                         code += "    }\n"
                     }
                     else if (setterMode == "custom_event")